Kay Jewelers Black/White Diamonds 1/2 ct tw Bridal Set 10K White Gold- Engagement Rings: Four princess-cut white diamonds take center stage in the dramatic engagement ring in this bridal set for her. The band is adorned with round Artistry Black Diamonds™ for a dynamic twist on a classic style. The matching wedding band, featuring more round Artistry Black Diamonds™, is contoured to fit around the engagement ring. The bridal set, crafted of 10K white gold, has a total diamond weight of 1/2 carat. Artistry Black Diamonds™ are treated to permanently create the intense black color.